{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [],
   "source": [
    "#load \"..\\Extension\\LoadBaseTool.csx\"\n",
    "using BaseTool;"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [],
   "source": [
    "ArrayList _list = [1, 2, 3, 4, 5];"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [
    {
     "ename": "Error",
     "evalue": "System.InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.Int64'.\r\n   at Submission#15.<<Initialize>>d__0.MoveNext()\r\n--- End of stack trace from previous location ---\r\n   at Microsoft.CodeAnalysis.Scripting.ScriptExecutionState.RunSubmissionsAsync[TResult](ImmutableArray`1 precedingExecutors, Func`2 currentExecutor, StrongBox`1 exceptionHolderOpt, Func`2 catchExceptionOpt, CancellationToken cancellationToken)",
     "output_type": "error",
     "traceback": [
      "System.InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.Int64'.\r\n",
      "   at Submission#15.<<Initialize>>d__0.MoveNext()\r\n",
      "--- End of stack trace from previous location ---\r\n",
      "   at Microsoft.CodeAnalysis.Scripting.ScriptExecutionState.RunSubmissionsAsync[TResult](ImmutableArray`1 precedingExecutors, Func`2 currentExecutor, StrongBox`1 exceptionHolderOpt, Func`2 catchExceptionOpt, CancellationToken cancellationToken)"
     ]
    }
   ],
   "source": [
    "// 此处不会强制转换，只会抛出异常\n",
    "foreach (long _item in _list)\n",
    "{\n",
    "    Console.Write($\"{_item}, \");\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [
    {
     "ename": "Error",
     "evalue": "System.InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.Byte'.\r\n   at Submission#16.<<Initialize>>d__0.MoveNext()\r\n--- End of stack trace from previous location ---\r\n   at Microsoft.CodeAnalysis.Scripting.ScriptExecutionState.RunSubmissionsAsync[TResult](ImmutableArray`1 precedingExecutors, Func`2 currentExecutor, StrongBox`1 exceptionHolderOpt, Func`2 catchExceptionOpt, CancellationToken cancellationToken)",
     "output_type": "error",
     "traceback": [
      "System.InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.Byte'.\r\n",
      "   at Submission#16.<<Initialize>>d__0.MoveNext()\r\n",
      "--- End of stack trace from previous location ---\r\n",
      "   at Microsoft.CodeAnalysis.Scripting.ScriptExecutionState.RunSubmissionsAsync[TResult](ImmutableArray`1 precedingExecutors, Func`2 currentExecutor, StrongBox`1 exceptionHolderOpt, Func`2 catchExceptionOpt, CancellationToken cancellationToken)"
     ]
    }
   ],
   "source": [
    "// 此处不会强制转换，只会抛出异常\n",
    "foreach (byte _item in _list)\n",
    "{\n",
    "    Console.Write($\"{_item}, \");\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1, 2, 3, 4, 5, "
     ]
    }
   ],
   "source": [
    "foreach (int _item in _list)\n",
    "{\n",
    "    Console.Write($\"{_item}, \");\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": []
  }
 ],
 "metadata": {
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   "name": ".net-csharp"
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  "language_info": {
   "name": "polyglot-notebook"
  },
  "polyglot_notebook": {
   "kernelInfo": {
    "defaultKernelName": "csharp",
    "items": [
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      "languageName": "csharp",
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